ˈprime time (BrE alsoˈpeak time, ˌpeak ˈviewing time)
noun
[] the time when the largest number of people are watching television or listening to the radio, usually the middle part of the evening 黄金时间（观看电视或收听广播人数最多的时间）◆showing ads during prime-time broadcasts 在黄金时间播出广告